Alert archive / Wyoming / High Wind Warnings in 2021
High Wind Warning 23, NWS Riverton, WY
NWS Riverton, WY issued this high wind warning at Dec 19, 2021, 7:55 PM MST for Park County, Wyoming. It took effect at Dec 20, 2021, 12:00 PM MST. It was in force for 19 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 19, 2021, 7:55 PM MST (02:55 UTC)
- In effect from
- Dec 20, 2021, 12:00 PM MST
- Expired
- Dec 21, 2021, 6:43 AM MST
- In force
- 19 hr
- Issued by
- NWS Riverton, WY
County Park County, WY
The radar
The Billings radar (KBLX), 167 km from the middle of the area, began a volume at 03:01 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Riverton, WY (KRIW), launched 00:00Z, 2.9 hours before the alert went out and 187 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2608 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
060 WWUS75 KRIW 200255 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 755 PM MST Sun Dec 19 2021 WYZ003-201300- /O.UPG.KRIW.HW.A.0018.211220T1800Z-211221T1500Z/ /O.NEW.KRIW.HW.W.0023.211220T1900Z-211221T1500Z/ Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 755 PM MST Sun Dec 19 2021 ...HIGH WIND WARNING IN EFFECT FROM NOON MONDAY TO 8 AM MST TUESDAY... * WHAT...West winds 30 to 40 mph with gusts 60 to 75 mph expected. * WHERE...Cody Foothills. This high wind event could produce similar peak wind gusts at both Cody and Clark. * WHEN...From noon Monday to 8 AM Tuesday. The strongest winds are expected from 4 PM Monday to 4 AM Tuesday. * IMPACTS...Damaging winds could blow down power lines and ignite fires. Extreme blowover risk mainly for high profile vehicles on north to south oriented roads including Highway 120. * ADDITIONAL DETAILS...Please keep two hands on your steering wheel in case of a sudden, strong wind gust. Also make sure your Christmas decorations are secure. PRECAUTIONARY/PREPAREDNESS ACTIONS... In a parking lot, park into the wind to minimize the possibility of your car door hitting another parked vehicle. && $$ 21
4 follow-up statements
344 WWUS75 KRIW 201043 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 343 AM MST Mon Dec 20 2021 WYZ003-202300- /O.CON.KRIW.HW.W.0023.211220T1900Z-211221T1500Z/ Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 343 AM MST Mon Dec 20 2021 ...HIGH WIND WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 AM MST TUESDAY... * WHAT...West winds 30 to 40 mph with gusts 60 to 75 mph expected. * WHERE...Cody Foothills. This high wind event could produce similar peak wind gusts at both Cody and Clark. * WHEN...From noon today to 8 AM Tuesday. The strongest winds are expected from 4 PM today to 4 AM Tuesday. * IMPACTS...Damaging winds could blow down power lines and ignite fires. Extreme blowover risk mainly for high profile vehicles on north to south oriented roads including Highway 120. * ADDITIONAL DETAILS...Please keep two hands on your steering wheel in case of a sudden, strong wind gust. Also make sure your Christmas decorations are secure. PRECAUTIONARY/PREPAREDNESS ACTIONS... In a parking lot, park into the wind to minimize the possibility of your car door hitting another parked vehicle. && $$ For more information from the National Weather Service visit https://weather.gov/riw
973 WWUS75 KRIW 202303 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 403 PM MST Mon Dec 20 2021 WYZ003-211500- /O.CON.KRIW.HW.W.0023.000000T0000Z-211221T1500Z/ Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 403 PM MST Mon Dec 20 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST TUESDAY... * WHAT...West winds 30 to 40 mph with gusts 60 to 75 mph expected. * WHERE...Cody Foothills. This high wind event could produce similar peak wind gusts at both Cody and Clark. * WHEN...Through 8 AM Tuesday. The strongest winds are expected from 4 PM today to 4 AM Tuesday. * IMPACTS...Damaging winds could blow down power lines and ignite fires. Extreme blowover risk mainly for high profile vehicles on north to south oriented roads including Highway 120. * ADDITIONAL DETAILS...Please keep two hands on your steering wheel in case of a sudden, strong wind gust. Also make sure any holiday decorations are secure. PRECAUTIONARY/PREPAREDNESS ACTIONS... In a parking lot, park into the wind to minimize the possibility of your car door hitting another parked vehicle. && $$ For more information from the National Weather Service visit https://weather.gov/riw
239 WWUS75 KRIW 210347 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 847 PM MST Mon Dec 20 2021 WYZ003-211500- /O.CON.KRIW.HW.W.0023.000000T0000Z-211221T1500Z/ Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 847 PM MST Mon Dec 20 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM MST TUESDAY... * WHAT...West winds 30 to 40 mph with gusts 60 to 75 mph expected. * WHERE...Cody Foothills. This high wind event could produce similar peak wind gusts at both Cody and Clark. * WHEN...Through 8 AM Tuesday. The strongest winds are expected through 4 AM Tuesday. * IMPACTS...Damaging winds could blow down power lines and ignite fires. Extreme blowover risk mainly for high profile vehicles on north to south oriented roads including Highway 120. * ADDITIONAL DETAILS...Please keep two hands on your steering wheel in case of a sudden, strong wind gust. PRECAUTIONARY/PREPAREDNESS ACTIONS... In a parking lot, park into the wind to minimize the possibility of your car door hitting another parked vehicle. && $$ Team Riverton/21
041 WWUS75 KRIW 211343 NPWRIW URGENT - WEATHER MESSAGE National Weather Service Riverton WY 643 AM MST Tue Dec 21 2021 WYZ003-211445- /O.CAN.KRIW.HW.W.0023.000000T0000Z-211221T1500Z/ Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 643 AM MST Tue Dec 21 2021 ...HIGH WIND WARNING IS CANCELLED... Winds have subsided across the area, in the wake of a cold front. Thus, the High Wind Warning has been cancelled. $$ For more information from the National Weather Service visit https://weather.gov/riw
Nearby
High Wind Warnings in Wyoming, 2021Every high wind warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.